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PEpoxy Primer(XDWHT) Home > products Catalog  
Epoxy Primer(XDWHT)

I Description of the Product Structure

Solvent Free High Tensile Epoxy Coating employs the modified epoxy as the major film forming material, the reactive diluents flexibilizer to realize solventliss, so as to reinforce the cohesion, chemical stability and mechanical property of the coat.

II Performance
Employment of the scaly filling can not only promote the mechanical property of the coat but also produce coat shielding effect and anticorrosion effect.
The matching firming agent of XDWHT is of low viscosity, which makes the coating harder, tougher and more anticorrosive and compact after it is solidified. The service life and solidifying period are also appropriate.
In addition to bearing the property of solvent epoxy coating such as fine insulatibity ,super chemical stability , the coating has been highly promoted in cohesion, toughness, impact strength and peeling resistance strength .In the coating process, the dissolvent will not be vaporized , and the pinholes are avoidable. One filming can reach 200μ m above. As a result the coating can help greatly in saving energy and protecting the environment.

III Application
Since XDWHT excels in strength solid content, corrosion resistivety, simple coating procedure and environment protection, it is used extensively in major anti-corrosion places such as the city piping conservation, anti-corrosion construction inside and outside of underground piping, joint, connector bend, anticorrosion and large-scale repairing of the underground pipe.

IV XDWHE Performance Index

 

V Coating
Surface Treatment: Treat the surface according to GB8923 until it reaches Sa2.5, then clear the dust on the steel tube surface. Coating Processing: TL-3 XDWHT is a kind of combined coating of Group A and Group B, and should be mixed according to certain proportion (A:B=100:20-25 which is adjustable according to the real environmental temperature) and complete the coating according to the prescribed time. In the process, brush coating, roller coating, doctor coating and bicomponent airless spray coater can be employed. The proper depth of the steel tube surface anchor stripe is desired to be 50-70μ m.


VI Coating Testing
Test should be carried out on the appearance, thickness, leak and adhesiveness of the anti corrosive coating. The surface is supposed to look like lacquer film, clean and sleek. The thickness should be tested with nondestructive thickness gage and leak detection checked with electric spark pinhole detection instrument under leaking detection voltage of 2000V. If the coating fails to pass thickness and leak test, further coating is demanded. And the adhesiveness should be tested according to epoxy coal tar coating standard.

 

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